n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | -4 |
3 | 14 |
4 | 144 |
5 | 286 |
6 | -5080 |
7 | -61058 |
8 | -186144 |
9 | 4016958 |
10 | 73395928 |
11 | 468915102 |
12 | -4728823088 |
13 | -167453193314 |
14 | -2051810224568 |
15 | -406640603074 |
16 | 533831885402048 |
17 | 11987797433266302 |
18 | 110763307665075640 |
19 | -1459040819952150178 |
20 | -80503810962755821904 |
[1,-2,-4,14,144,286,-5080,-61058,-186144,4016958, 73395928,468915102,-4728823088,-167453193314, -2051810224568,-406640603074,533831885402048, 11987797433266302,110763307665075640, -1459040819952150178,-80503810962755821904] |